Rio Digital Audio Player Rio Software 2.90 Windows 98SE/ME/2000/XP. This file is provided to owners and users of the Rio Carbon, Forge, Karma, Nitrus, Cali, Chiba, Fuse, S10, S50, S30S, and S35S audio players for the express purpose of installing the Rio Music Manager, Rio Taxi, and Rio Internet Updater. No Drivers are included with this installer. The Forge, Carbon, and Mass Storage versions of the Cali and Chiba use the standard Mass Storage drivers built into your operating system.. Do use the latest driver version available, it will help you use the facilities of your hardware easier and better. An old version can create hardware conflicts and errors in function. Try to stay updated with your drivers monthly or sometimes weekly. Chose wisely the specific drivers: motherboards driver, bios, graphic cards drivers, modem drivers and so on. Chose the right driver for your hardware and try to make backups of your system every time you want to make a change.